Fit: USA - M Width, Toe: D, full-grain leather and Air Mesh upper, breathable moisture-wicking Air Mesh lining, removable, moisture-wicking, antibacterial and machine washable moulded footbed, three-quarter length composite insole and shank provides unrivalled support and stability, moulded rubber outsole provides durability.
For AU sizing I would tend to go down a size. So a 7AU i would go a 6US.